Shiva Purana
आसीत्सत्यरथो नाम्ना विदर्भविषये नृपः ॥ धर्म्मात्मा सत्यशीलश्च महाशैवजनप्रियः ॥ २ ॥
There was a king in the land of Vidarbha, named Satyaratha. He was virtuous, regularly observing truthfulness and a favourite of great devotees of Śiva.
english translation
AsItsatyaratho nAmnA vidarbhaviSaye nRpaH ॥ dharmmAtmA satyazIlazca mahAzaivajanapriyaH ॥ 2 ॥
hk transliteration by Sanscript